From 64feb2e5f0d383bdc2c619bbda42fe51b21fa937 Mon Sep 17 00:00:00 2001
From: Robert Mader <robert.mader@collabora.com>
Date: Mon, 22 May 2023 23:06:20 +0200
Subject: [PATCH] clutter/actor-box: Avoid rounding compensation for empty
 boxes

Empty boxes should not be enlarged to non-empty boxes, otherwise we
potentially confuse tests where we expect a zero-sized actor to also be on
zero stage views.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2679>
---
 clutter/clutter/clutter-actor-box.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/clutter/clutter/clutter-actor-box.c b/clutter/clutter/clutter-actor-box.c
index 2cbe691e6..e2fd87ce3 100644
--- a/clutter/clutter/clutter-actor-box.c
+++ b/clutter/clutter/clutter-actor-box.c
@@ -506,6 +506,9 @@ _clutter_actor_box_enlarge_for_effects (ClutterActorBox *box)
 {
   float width, height;
 
+  if (clutter_actor_box_get_area (box) == 0.0)
+    return;
+
   /* The aim here is that for a given rectangle defined with floating point
    * coordinates we want to determine a stable quantized size in pixels
    * that doesn't vary due to the original box's sub-pixel position.